skos:altLabel | - 1st
- 4th
- First
- 4th Cavalry
- 4th Cavalry Regiment
- 1/4th Cavalry
- 1st Squadron, 4th Cavalry
- 1st Squadron, 4th Cavalry Regiment
- 1st U.S. Cavalry
- 3rd Squadron, 4th Cavalry
- 3rd Squadron, 4th Cavalry Regiment
- 4 CAV
- 4th (McCulloch's) Battalion, Cavalry
- 4th (Murray's) Cavalry
- 4th Armored Cavalry Regiment
- 4th Cavalry (Air Cavalry)
- 4th Cavalry Group
- 4th Cavalry Group (Mechanized)
- 4th Cavalry Group, Mechanized
- 4th Cavalry Regiment (United States)#World War II
- 4th Cavalry Regiments
- 4th Cavalry US Army
- 4th Cavalry, State Troops
- 4th Reconnaissance Squadron
- 4th Regiment Cavalry U.S. Colored Troops
- 4th Special Cavalry Battalion
- 4th U.S. Cavalry
- 4th U.S. Cavalry Regiment
- 4th US Cavalry
- 4th US Cavalry Regiment
- 4th United States Cavalry
- 4th United States Cavalry Regiment
- 5th Squadron, 4th Cavalry Regiment
- 6/4 Cavalry
- First United States Dragoons
- Fourth Cavalry
- Fourth Cavalry Regiment
- Fourth United States Cavalry
- Troop C, 1st Squadron, 4th Cavalry Regiment
- Troop C, 3rd Squadron, 4th Cavalry Regiment
- Troop F, 4th Cavalry
- U. S. Fourth Cavalry Regiment
- US 4th Cavalry Regiment
- Troop E, 4th Cavalry Regiment (Brigade Recon Troop)
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